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18 lines
1.1 KiB
Markdown
18 lines
1.1 KiB
Markdown
---
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title: "Choosing an encrypted DNS protocol"
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date: 2023-11-18T19:30:46-07:00
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syndicatedCopies:
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- title: 'The Fediverse'
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url: 'https://pleroma.envs.net/notice/Abx4oDbeirFSCS0c2i'
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---
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The three most popular DNS protocols with transit encryption are DNS-over-HTTPS (<abbr>DoH</abbr>), DNS-over-TLS (<abbr>DoT</abbr>), and DNS-over-QUIC (<abbr>DoQ</abbr>). This should help you choose what to use:
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1. Do you actually need to override OS DNS support? If not, or if you're unsure, go to 6.
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2. Are you ready to implement DNS protocols correctly, or add a dependency that does so? If you're not, go to 5.
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3. Does the network filter DNS traffic? If it does, go to 5.
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4. Do you already have QUIC support? If not, **use DoT.** If you do, **use DoQ.**
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5. Do you have an HTTPS stack? If you do, **use DoH**.
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6. Give up and **delegate to the OS**.
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Let your HTTPS stack handle HTTP/1.1 vs. HTTP/2 vs. HTTP/3 support; don't treat DNS-over-HTTP/3 as a separate protocol. I don't know enough about DNSCrypt to make an informed recommendation about it, but DoQ and DoH meet my needs well enough.
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